DE10348031A1 - Battery monitor for monitoring battery, has processor electrically coupled with two Kelvin connectors calculating reserve state and cracking state of health, and determining state of life as function of states - Google Patents
Battery monitor for monitoring battery, has processor electrically coupled with two Kelvin connectors calculating reserve state and cracking state of health, and determining state of life as function of states Download PDFInfo
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- DE10348031A1 DE10348031A1 DE10348031A DE10348031A DE10348031A1 DE 10348031 A1 DE10348031 A1 DE 10348031A1 DE 10348031 A DE10348031 A DE 10348031A DE 10348031 A DE10348031 A DE 10348031A DE 10348031 A1 DE10348031 A1 DE 10348031A1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/16—Regulation of the charging current or voltage by variation of field
- H02J7/163—Regulation of the charging current or voltage by variation of field with special means for initiating or limiting the excitation current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00036—Charger exchanging data with battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
- H02J7/00041—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors in response to measured battery parameters, e.g. voltage, current or temperature profile
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
- G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3647—Constructional arrangements for determining the ability of a battery to perform a critical function, e.g. cranking
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
Description
Die vorliegende Erfindung betrifft allgemein Fahrzeuge. Die vorliegende Erfindung betrifft insbesondere Batterieüberwachungsvorrichtungen zum Überwachen von in Fahrzeugen verwendeten Batterien. Sowohl durch einen Verbrennungsmotor angetriebene Fahrzeuge, als auch durch einen Elektromotor angetriebene Fahrzeuge weisen eine Speicherbatterie oder einen Akkumulator auf. Beispielsweise weisen durch Verbrennungsmotoren angetriebene Kraftfahrzeuge typischerweise eine Batterie auf. Die Batterie wird zum Versorgen des elektrischen Systems mit Leistung verwendet, wenn der Motor nicht läuft. Außerdem wird der Verbrennungsmotor zum Laden der Batterie verwendet. Der Verbrennungsmotor wird außerdem verwendet, um elektrischen Komponenten des Fahrzeugs Leistung zuzuführen, wenn der Motor läuft.The present invention relates to generally vehicles. The present invention relates in particular Battery monitoring devices to monitor of batteries used in vehicles. Both by an internal combustion engine powered vehicles, as well as vehicles powered by an electric motor have a storage battery or an accumulator. For example typically have motor vehicles powered by internal combustion engines a battery on. The battery is used to supply the electrical Systems used with power when the engine is not running. Besides, will the internal combustion engine is used to charge the battery. The internal combustion engine will also used to power vehicle electrical components when the engine is running.
Es ist typischerweise schwierig gewesen, den Zustand einer in solchen Fahrzeugen verwendeten Speicherbatterie zu überwachen. Diese Schwierigkeiten beziehen sich auf alle Variablen, d.h. Faktoren, die zum Bestimmen des Zustands der Batterie verwendet werden, sowie auf die elektrischen Verbindungen, die während des Batteriebetriebs mit der Batterie hergestellt werden. Es wurde versucht, den Betrieb einer Batterie zu charakterisieren und "Kennlinien" oder "Charakterisierungskurven" zum Bestimmen des Batteriezustands zu verwenden. Dieses Verfahren ist jedoch häufig sehr schwierig implementierbar, weil es schwierig ist, zu bestimmen, welcher spezifischen Kennlinie die Batterie folgt, sowie präzise zu bestimmen, auf welchem Punkt einer spezifischen Kennlinie ein Batteriezustand zu einem vorgegebenen Zeitpunkt liegt.It has typically been difficult the condition of a storage battery used in such vehicles to monitor. These difficulties relate to all variables, i.e. factors used to determine the condition of the battery, and on the electrical connections made during battery operation be made with the battery. An attempt was made to operate to characterize a battery and "characteristics" or "characterization curves" to determine the Battery condition to use. However, this procedure is often very difficult to implement because it is difficult to determine which specific characteristic the battery follows, as well as precisely determine on which point of a specific characteristic a battery state is at a predetermined time.
Dies machte es für einen Bediener oder Fahrer eines Fahrzeugs schwierig, den Zustand der Fahrzeugbatterie genau und in Echtzeit zu bestimmen. Beispielsweise kann die Ausgangsleistung einer Batterie zu einem vorgegebenen Zeitpunkt gerade ausreichend sein, um den Motor eines Fahrzeugs zu starten, wobei dem Bediener oder Fahrer des Fahrzeugs in diesem Fall jedoch möglicherweise nicht angezeigt wird, daß die Batterie nicht in der Lage ist, das Fahrzeug ein weiteres Mal zu starten. Außerdem kann eine Batterie, die in der Lage ist, bei einer Temperatur ausreichend Leistung bereitzustellen, am nächsten Morgen versagen, wenn die Temperatur über Nacht abfälllt.This made it for an operator or driver of a vehicle difficult, the condition of the vehicle battery accurate and to determine in real time. For example, the output power one battery at a given time is just sufficient be to start the engine of a vehicle, the operator or driver of the vehicle in this case, however does not indicate that the battery unable to start the vehicle again. In addition can be a battery that is capable of operating at a temperature sufficient Provide performance closest Fail tomorrow if the temperature drops overnight.
Es sind einige Versuche unternommen worden, den Zustand einer Batterie unter Verwendung einer "Coulomb Counting"-Technik zu überwachen, gemäß der die durch die Batterie aufgenommene oder von der Batterie entnommene Ladungsmenge überwacht wird. Für diese Technik ist jedoch ein Start- oder Ausgangspunkt (d.h. ein Anfangswert) zum Starten eines Überwachungsvorgangs des Batteriezustands erforderlich. Außerdem werden bei dieser Technik möglicherweise Fälle nicht berücksichtigt, in denen die Batterie voll aufgeladen ist und jeglicher zusätzliche, in die Batterie fließende Strom einfach in Form von Wärme verloren geht, oder ein Fall, in dem, wenn die Batterie nicht verwendet wird, die Batterieladung mit der Zeit abnimmt.A few attempts have been made been used to monitor the condition of a battery using a "coulomb counting" technique, according to which the taken up by the battery or removed from the battery Charge quantity monitored becomes. For however, this technique is a starting point or starting point (i.e. a Initial value) to start a monitoring process of battery condition required. In addition, this technique possibly Not cases considered, in which the battery is fully charged and any additional flowing into the battery Electricity simply in the form of heat is lost, or a case in which when the battery is not used the battery charge decreases over time.
Daher wäre es wünschenswert, wenn eine Batterieüberwachungsvorrichtung zur Verfügung stünde, die in der Lage ist, den Zustand einer Batterie in einem Fahrzeug zu überwachen.Therefore, it would be desirable to have a battery monitor to disposal would stand is able to monitor the condition of a battery in a vehicle.
Erfindungsgemäß werden eine Vorrichtung und ein Verfahren zum Überwachen einer Batterie eines Kraftfahrzeugs unter Verwendung einer elektrischen Verbindung zur Batterie oder zum elektrischen System des Fahrzeugs bereitgestellt. In verschiedenen Aspekten werden Kelvinverbindungen für die elektrische Verbindung verwendet, wobei die elektrische Verbindung unabhängig davon, ob sie aus einer Kelvinverbindung gebildet wird oder nicht, Spannungs- und Stromsensoren aufweisen kann. Es wird ein Prozessor zum Bestimmen eines Zustands der Batterie oder von Komponenten des Fahrzeugs verwendet.According to the invention, a device and a method of monitoring a battery of a motor vehicle using an electric Connection to the battery or the electrical system of the vehicle provided. In various aspects there are Kelvin connections for the electrical connection used, the electrical connection independently whether it is formed from a Kelvin compound or not, May have voltage and current sensors. It becomes a processor for determining a state of the battery or components of the Vehicle used.
Nachfolgend werden bevorzugte Ausführungsformen beispielhaft beschrieben.Below are preferred embodiments described as an example.
Durch die vorliegende Erfindung werden eine Vorrichtung und ein Verfahren zum Überwachen des Zustands einer Batterie und zum optionalen Steuern des Ladevorgangs der Batterie bereitgestellt. Ein derartiges Verfahren und eine derartige Vorrichtung können Teil eines allgemeinen Energiemanagementsystems eines Fahrzeugs sein.By the present invention an apparatus and a method for monitoring the state of a Battery and for optionally controlling the charging process of the battery provided. Such a method and device can Part of a general vehicle energy management system his.
Im allgemeinen weisen Kraftfahrzeuge elektrische Systeme auf, die mit Leistung versorgt werden können, wenn der Motor des Fahrzeugs einen Generator bzw. eine Lichtmaschine oder einen Wechselstromgenerator antreibt. Wenn der Motor nicht läuft, wird jedoch normalerweise eine im Fahrzeug angeordnete Batterie zum Versorgen des Systems mit Leistung verwendet. Daher dient das Standard-Generatorsystem in einem Fahrzeug zwei Zwecken. Der Generator wird verwendet, um Fahrzeugverbrauchern, z.B. Lampen, Computern, Radios, Entfrostern und anderen elektrischen Geräten, Leistung zuzuführen. Außerdem wird der Generator verwendet, um die Batterie aufzuladen, so daß die Batterie zum Starten des Fahrzeugs verwendet werden kann und die Batterie die elektrischen Geräte mit Leistung versorgen kann, wenn der Motor nicht läuft.In general, motor vehicles electrical systems that can be powered when the engine of the vehicle is a generator or an alternator or drives an alternator. If the engine is not running, However, a battery arranged in the vehicle is normally used for Power the system used. Therefore the standard generator system is used two purposes in one vehicle. The generator is used to Vehicle consumers, e.g. Lamps, computers, radios, defrosters and other electrical devices, To perform. In addition the generator is used to charge the battery so that the battery can be used to start the vehicle and the battery the electrical devices can supply power when the engine is not running.
Gemäß einem Aspekt der vorliegenden Erfindung kann der Batteriezustand bestimmt werden, indem ein Anfangswert für einen Parameter der Batterie gesetzt wird und dann der gesetzte Anfangswert des Batterieparameters basierend auf spezifischen Messungen modifiziert wird, die während eines Ladevorgangs, eines Entladevorgangs und/oder leistungslosen oder Leerlaufperioden von der Batterie erhalten werden. Gemäß einem spezifischen Aspekt werden zwei Batteriezustände betrachtet, die für den Bediener oder Fahrer eines Fahrzeugs wesentlich sind. Ein erster Batteriezustand ist die Fähigkeit der Batterie, den Starter- oder Anlassermotor zu betätigen, um den Verbrennungsmotor zu starten (d.h. "anzudrehen"). Ein zweiter Batteriezustand ist die Fähigkeit der Batterie, elektrischen Verbrauchern Energie zuzuführen. Für diesen Aspekt werden Anzeigen für diese Batteriezustände als Relativwerte berechnet, die als Startkapazität ("Cranking State of Health" (CSOH)) bzw. Restkapazität ("Reserve State of Health" (RSOH)) bezeichnet werden. Nachfolgend werden eine beispielhafte Schaltung und Meßverfahren beschrieben, die dazu verwendet werden können, Daten zu erhalten, um diese Zustände zu bestimmen. Gemäß einem Aspekt sind die zum Erhalten der Daten verwendeten spezifischen Verfahren für die Erfindung nicht relevant, sondern es können auch andere Verfahren verwendet werden.According to one aspect of the present Invention, the battery condition can be determined by an initial value for one Parameter of the battery is set and then the set initial value of the battery parameter modified based on specific measurements will that during a charging process, an unloading process and / or powerless or idle periods can be obtained from the battery. According to one specific aspect, two battery states are considered that are relevant to the operator or driver of a vehicle are essential. A first battery condition is the ability the battery, the starter or starter motor to operate to start the internal combustion engine (i.e. "turn it on"). A second battery condition is the ability the battery to supply energy to electrical consumers. For this Aspect will be ads for these battery states calculated as relative values, which are called starting capacity ("Cranking State of Health" (CSOH)) or residual capacity ("Reserve State of Health "(RSOH)) be designated. Below is an example circuit and measuring methods described which can be used to obtain data in order to these states to determine. According to one Aspect are the specific ones used to obtain the data Procedure for the invention is not relevant, but other methods can be used.
In der in
Im Betrieb ist der Mikroprozessor
In der in
In einer Ausführungsform wird durch den Spannungs-
und den Stromsensor ein synchronisierter Betrieb innerhalb einer
Mikrosekunde bereitgestellt, und die Sensoren sind im wesentlichen
unempfindlich bezüglich
durch Netzwerklaufzeitverzögerungen
oder Signalleitungsinduktanz verursachten Meßfehlern. Außerdem kann
der Mikroprozessor
Es wird ein Temperatursensor
In einer Ausführungsform weist der Stromsensor
Während
des Meßzyklus
können
Fahrzeugverbraucher
Im allgemeinen verwendet die vorliegende
Erfindung die direkte Beziehung zwischen der dynamischen Konduktanz
der Batterie und dem Zustand der Batterie. Wenn beispielsweise eine
Batterie mehr als 15% unter ihre Nennkapazität abfällt, kann der Mikroprozessor
Die Zwangsfunktion
Gemäß einem allgemeinen Aspekt wird erfindungsgemäß der Zustand einer Batterie als Funktion eines gespeicherten Batterieparameters bestimmt, der auf einen Anfangswert gesetzt und basierend auf einer Messung modifiziert wird, die ausgeführt wird, wenn der Motor des Fahrzeugs nicht in Betrieb ist (oder wenn die Batterie nicht geladen wird), und basierend auf einer Messung, die ausgeführt wird, wenn der Motor des Fahrzeugs in Betrieb ist (oder wenn die Batterie geladen wird). Dies kann ein iterativer Prozeß sein, in dem der gespeicherte Batterieparameter während der Nutzung oder des Betriebs des Fahrzeugs kontinuierlich modifiziert wird. Gemäß einem spezifischen Beispiel eine Startkapazität ("Cranking State of Health" (CSOH)) bestimmt werden, durch die eine relative Anzeige der Fähigkeit der Batterie, den Starteroder Anlassermotor des Fahrzeugs zu aktivieren, bereitgestellt wird. Ein anderer beispielhafter Zustand ist die Restkapazität ("Reserve State of Health" (RSOH)), die eine relative Anzeige der Restkapazität der Batterie darstellt. Gemäß einer anderen beispielhaften Ausführungsform wird ein relativer Batteriezustand basierend auf einem Verhältnis zwischen zwei Größen und als Funktion eines minimalen Schwellenwertes eines Batterieparameters, eines Meßwertes eines Batterieparameters und eines maximalen Beobachtungswert eines Batterieparameters bestimmt.According to a general aspect the state according to the invention a battery as a function of a stored battery parameter determined, which is set to an initial value and based on a measurement modified, which is executed the engine of the vehicle is not running (or if the Battery is not charging), and based on a measurement that accomplished when the engine of the vehicle is running (or when the Battery is being charged). This can be an iterative process in which the stored battery parameter during use or Operation of the vehicle is continuously modified. According to one specific example a starting capacity ("Cranking State of Health" (CSOH)) determined through which a relative indication of the ability of the battery, the starter or Activating the vehicle's starter motor is provided. Another exemplary state is the remaining capacity ("Reserve State of Health "(RSOH)), which is a relative indication of the remaining capacity of the battery. According to one another exemplary embodiment is a relative battery condition based on a relationship between two sizes and as a function of a minimum threshold value of a battery parameter, of a measured value a battery parameter and a maximum observation value of a Battery parameters determined.
Gemäß einer spezifischen beispielhaften
Ausführungsform
der vorliegenden Erfindung kann die Startkapazität ("Cran king State of Health" (CSOH)) unter Verwendung
von Gleichung 2 folgendermaßen
berechnet werden:
Ähnlicherweise
kann eine relative Anzeige der Restkapazität der Batterie (Reserve State
of Health (RSOH)) dargestellt werden durch:
Die Gleichungen
In Block
In Block
In Block
In Block
In Block
Wenn die Daten gesammelt werden,
werden die vorstehend dargestellten Formeln verwendet, um die Restkapazität (RSOH)
und die Startkapazität
(CSOH) zu berechnen. Diese Information kann einem Bediener oder
Fahrer auf eine beliebige geeignete Weise zur Verfügung gestellt
werden. Beispielsweise kann ein normales Display bereitgestellt
werden, oder es kann eine grafische Form verwendet werden. Es kann
eine Voll/Leer-Anzeige verwendet werden, um ein Ausgangssignal bereitzustellen,
das den meisten Fahrern vertraut ist. Eine Anzeige mit dem Inhalt "Batterie demnächst instand
setzen" ist ein
anderes Beispiel einer Ausgabe. Die Werte können auch verwendet werden,
um den Betrieb des Wechselstromgenerators
Gemäß einem anderen Aspekt wird
durch den Mikroprozessor
Es können verschiedene Kalibrierungsfaktoren
und/oder Offset-Werte oder andere Funktionen verwendet werden, um
Gleichung 10 zu manipulieren oder den Alterungsgrad (SOL) mit der
gewünschten
Einheit in Beziehung zu setzen. Der Mikroprozessor
Vor einer Digitalisierung des durch
den Stromsensor
Obwohl die vorliegende Erfindung
unter Bezug auf bevorzugte Ausführungsformen
beschrieben worden ist, ist für
Fachleute ersichtlich, daß innerhalb
des Schutzumfangs der vorliegenden Erfindung Änderungen in der Form und im
Detail vorgenommen werden können.
Beispielsweise werden die Schaltung, die Schaltungskonfiguration
und die Batteriezustandparameter in Verbindung mit einfachen beispielhaften
Ausführungsformen
bereitgestellt, für
Fachleute ist jedoch ersichtlich, daß auch andere Konfigurationen
und Implementierungen verwendet werden können. Die spezifischen Verbindungen
zur Batterie können
Kelvinverbindungen sein, die auch "geteilte" Kelvinverbindungen beinhalten, in denen
die Zwangsfunktionsverbindung(en) von der Batterie beabstandet angeordnet
ist (sind). Gemäß einem
anderen Beispiel der vorliegenden Erfindung kann der Wechselstromgenerator
Claims (42)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/271,342 US6850037B2 (en) | 1997-11-03 | 2002-10-15 | In-vehicle battery monitor |
US10/271342 | 2002-10-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10348031A1 true DE10348031A1 (en) | 2004-04-29 |
Family
ID=32069134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10348031A Ceased DE10348031A1 (en) | 2002-10-15 | 2003-10-15 | Battery monitor for monitoring battery, has processor electrically coupled with two Kelvin connectors calculating reserve state and cracking state of health, and determining state of life as function of states |
Country Status (3)
Country | Link |
---|---|
US (3) | US6850037B2 (en) |
JP (1) | JP2004201484A (en) |
DE (1) | DE10348031A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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US7744149B2 (en) | 2008-06-10 | 2010-06-29 | Agco Corporation | Cab suspension linkage system |
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-
2002
- 2002-10-15 US US10/271,342 patent/US6850037B2/en not_active Expired - Fee Related
-
2003
- 2003-10-15 JP JP2003355007A patent/JP2004201484A/en active Pending
- 2003-10-15 DE DE10348031A patent/DE10348031A1/en not_active Ceased
-
2004
- 2004-10-05 US US10/958,821 patent/US7999505B2/en not_active Expired - Fee Related
-
2011
- 2011-08-09 US US13/205,904 patent/US8674654B2/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7250741B2 (en) | 2003-08-13 | 2007-07-31 | Hyundai Motor Company | Method and system for calculating available power of a battery |
DE102004003164B4 (en) * | 2003-08-13 | 2008-10-16 | Hyundai Motor Co. | Method and system for calculating a permissible charging power of a battery |
FR2897161A1 (en) * | 2006-02-09 | 2007-08-10 | Peugeot Citroen Automobiles Sa | Battery e.g. lead storage battery, charging state information updating system for motor vehicle, has comparison unit to compare theoretical static charge state to estimated charge state to update state if difference between states is high |
WO2015173061A1 (en) * | 2014-05-16 | 2015-11-19 | Omicron Electronics Gmbh | Rechargeable battery system, and method for controlling the recharging of a rechargeable battery system |
DE102022100642A1 (en) | 2022-01-12 | 2023-07-13 | Bayerische Motoren Werke Aktiengesellschaft | Method for examining an electrical energy store in a motor vehicle, monitoring system and motor vehicle |
Also Published As
Publication number | Publication date |
---|---|
US20050068039A1 (en) | 2005-03-31 |
JP2004201484A (en) | 2004-07-15 |
US20120016609A1 (en) | 2012-01-19 |
US7999505B2 (en) | 2011-08-16 |
US8674654B2 (en) | 2014-03-18 |
US20030090272A1 (en) | 2003-05-15 |
US6850037B2 (en) | 2005-02-01 |
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